LIFE: 



OUTLINES OF 



GENERAL BIOLOGY 



BY 



SIR J.ARTHUR THOMSON, M.A., LL.D.(Eclin.; McGiU; et Cam.) 



Emeritus Professor of Natural History -in the 

 University of A berdeen 



AND 



PATRICK GEDDES 



Sometime Lecturer on Zoology, School of Medicine, Edinburgh; Emeritus 



Professor of Botany {Univ. Coll., Dundee), St. Andrews; Late Professor 



of Sociology and Civics, University of Bombay; Director of Scots 



and Indian Colleges at University of Montpellier; 



President of the Institutes of Sociology, 



London, Edinburgh, and 



Montpellier 



VOLUME TWO 



HARPER & BROTHERS, PUBLISHERS 

 NEW YORK AND LONDON 



